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i had done port security on the port before , but the trick is that when someone connect another switch which doesn't work with spanning-tree in a parallel connection with our switch , the loop will also occur |__________| | | | | i tried Bpdu Guard , it acts very well and it...

Hi All , If we have a switched network with spanning Tree Protocol enabled.. all things are right and no problem here. what about if some one come with a normal switch ( say DLink or any other type ) or even a cisco switch with SPT Disabled, and connected it to on of our switched with a...

That's right , the radius server is that which was required. i found it 2 houres before you announce about it , but you made me sure. its method or IDEA depends on a concept called AAA which stands for << Authentication , Authorization and accounting >>. that means the radius database will...

it's ok .. thanks alot , i will try to do more searches too, really thanks for your sharing.

really i know that , i always used to use the static one in my work .. now i'm in the ccnp track and a report about this type of dynamic VLANs is required.. it's to important also for my company to work on. Hint :the dynamic VLANs are not declared in the CCNA and predefined in CCNP , so i can...

i have tried alot to find another method , but found nothing !! IS there any solution ?

thanks alot , i really appreciate your work, you are the best :) thanks for you efforts sherif

Hi again, i know that there are two methods for VLANs , either Static or Dynamic. Considering the dynamic one , we mainly use VMPS server method which depends on a database file in the server links the mac address to the appropriate VLAN. But as we know it takes along time for the...

i got your point , do you mind to write your method down if you have a free time to do that ? thanks in advance

oooh , i got it .. i'm really very greatful to you and really got the point i will focus on it and will start from now :)

it's ok , assume same ISP and same Connection ? what will be the necessary steps ! if differnet ISP and same connection .. what's up ? if same ISP and different connection .. what can i do ? just give me the starting steps and i will continue. i know that i made a headache for you , but...

please another question .. what about aggregating both connections in one ? i.e. if i have both of them at 1 Mbps .. how can i combine them to get 2 Mbps connection ? well i connect both line to the same physical interface but making sub-interface for each one ? or connect each of them two a...

it's ok that alot for your help GOD Bless U :)

of course my friends done it well , so i just wanted to illustrate the opposite case which u will permit them not deny

-you will use extended access list -you will try to make the following : for example to allow connection only for www ( port 80 ) for a specific ip address (10.0.0.1), taking into consideration that http is a TCP connection type , you will write this command from configuration mode : //[for...

thanks alot for your quick reply . thus according to your answer , the original path will be ip route 0.0.0.0 0.0.0.0 0.0.0.0 10 and the second ( redundant) path will be : ip route 0.0.0.0 0.0.0.0 0.0.0.0 ( metric is 1 by default ) right ??

Dear Engineers , i want to ask you about this question and waiting for you kind reply . if my enterprise have a Cisco router and wants to make 2 internet connections . the 2 connections may be both active , or one of them is active and the second is a backup when the first one goes down...